DROP USER <用户1> [ , <用户2> ]… 其中,用户用来指定需要删除的用户账号。 使用DROP USER 语句应注意以下几点: (1)DROP USER 语句可用于删除一个或多个用户,并撤销其权限。 (2)使用 DROP USER 语句必须拥有 mysql 数据库的 DELETE 权限或全局 CREATE USER 权限。 (3)在 DROP USER 语句的使用中,若没...
在MySQL 数据库中,可以使用 DROP USER 语句删除用户,也可以直接在 mysql.user 表中删除用户以及相关权限。 1. 使用 DROP USER 语句删除普通用户 使用DROP USER 语句删除用户的语法格式如下: DROP USER <用户1> [ , <用户2> ]… 1. 其中,用户用来指定需要删除的用户账号。 使用DROP USER 语句应注意以下几点:...
UPDATE `user` SET PASSWORD=PASSWORD("密码") WHERE `user` = "root"; 5. FLUSH PRIVILEGES; 用户信息表:mysql.user -- 刷新权限 FLUSH PRIVILEGES; -- 增加用户 CREATE USER 用户名 IDENTIFIED BY [PASSWORD] 密码(字符串) - 必须拥有mysql数据库的全局CREATE USER权限,或拥有INSERT权限。 - 只能创建用户,...
obclient> SELECT user FROM mysql.user; +---+ | user | +---+ | root | | admin | | sqluser01 | | sqluser02 | +---+ 4 rows in set 执行以下命令,将 sqluser01 用户的用户名修改为 obsqluser01。 obclient> RENAME USER 'sqluser01' TO 'obsqluser01'; 修改后,执行以下命令,查看...
RENAME USER old_user TO new_user [, old_user TO new_user] ... The RENAME USER statement renames existing MySQL accounts. An error occurs for old accounts that do not exist or new accounts that already exist. To use RENAME USER, you must have the global CREATE USER privilege, or the...
RENAME USER 'michaelzabalaoui'@'localhost' TO 'zabb'@'%', 'richardstringer'@'localhost' TO 'littlerichard'@'localhost'; The first user’s name and host have been changed here, whereas the second user’s name only was changed. Get MySQL in a Nutshell, 2nd Edition now with the O’Reil...
百度试题 结果1 题目修改用户名的命令是:mysql>()user 旧用户名 to 新用户名; A. Alter B. Rename C. Update D. Delete 相关知识点: 试题来源: 解析 B 修改用户名的命令 反馈 收藏
sqluser01用户的用户名被修改为obsqluser01。 obclient>RENAMEUSER'sqluser01'TO'obsqluser01';Query OK,0rowsaffected obclient>SELECTuserFROMmysql.user;+---+|user|+---+|root||admin||obsqluser01||sqluser02|+---+4rowsinset
RENAME USER old_user TO new_user [, old_user TO new_user] ... The RENAME USER statement renames existing MySQL accounts. An error occurs for old accounts that do not exist or new accounts that already exist. To use RENAME USER, you must have the global CREATE USER privilege, or the...
RENAME USER 语句用于对已有用户进行重命名。 语法图 语法图代码 RenameUserStmt RENAMEUSERUserToUser, UserToUser UsernameTOUsername Username StringName@StringNamesingleAtIdentifierCURRENT_USEROptionalBraces 示例 CREATE USER 'newuser' IDENTIFIED BY 'mypassword'; ...